20406989406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2521249}}^1$

素因数の和:2521344

約数の個数: 32

約数和(自身を含む): 43567200000

約数和(自身を除く): 23160210594

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2698, 4047, 8094, 2521249, 5042498, 7563747, 15127494, 47903731, 95807462, 143711193, 179008679, 287422386, 358017358, 537026037, 1074052074, 3401164901, 6802329802, 10203494703, 20406989406]

約数ペア:

[(1, 20406989406), (2, 10203494703), (3, 6802329802), (6, 3401164901), (19, 1074052074), (38, 537026037), (57, 358017358), (71, 287422386), (114, 179008679), (142, 143711193), (213, 95807462), (426, 47903731), (1349, 15127494), (2698, 7563747), (4047, 5042498), (8094, 2521249)]